Honda CRF 450 R (2010) SOHC 4v

** Prices And Specifications Effective May 2012, And Are Subject To Change Without Notice. **

When a core is required for an item, the core charge will automatically be added to your cart when you add the item. You must return your re-workable OEM core within 180 days of purchase in order to receive a core refund. If we do not offer a core for your application, you need to call us first, and send your core in to be reground / hardwelded.

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You do NOT need a PayPal account to shop with us, you can use your credit card.
You may also call us to order any of the listed items.

All in stock orders placed on-line Monday - Friday before 3:00pm Pacific, will ship the same day.

Please be sure to read our Ordering Policies.

Camshaft Profiles:

.400/.333

268°/265°

242°/230°

1043/1044

Regrind

N/A

High lift short duration profile to increase throttle response. Requires Exhaust System, and Performance Valve Spring Kit.

Hardweld

N/A

New Cam

57-962

$341.00

.400/.331

282°/279°

256°/243°

961/812

Regrind

N/A

Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Check ALL clearances!

Hardweld

N/A

New Cam

57-972

$341.00

.408/.331

282°/279°

258°/243°

208/812

Regrind

N/A

Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, Performance Valve Spring Kit, and Larger Diameter Followers. Check ALL clearances!

Hardweld

N/A

New Cam

57-982

$341.00

.415/.317

276°/281°

252°/243°

493/1081

Regrind

N/A

Performance profile designed to increase mid and upper end. Good for TT and motocross applications. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, and Performance Valve Spring Kit. Check ALL clearances!

Hardweld

N/A

New Cam

59-002

$341.00

.418/.317

284°/285°

261°/249°

242/921

Regrind

N/A

Race profile designed for flat track. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, and Performance Valve Spring Kit. Check ALL clearances!

Hardweld

N/A

New Cam

59-012

$341.00

Other Products:

Cam Gear, Adjustable 36 Teeth

CG-H14

$35.00

For use if you already have a flange pressed on your cam. Can be used with all WEB CAM profiles for precise engine tuning. Price (Each).

Buckets, Shim Under Intake Oversized

CF-H01

$125.00

Oversized to 28 mm shim under intake tappets. Machining required. Fits all models TRX / CRF 450 engines. Check to make sure thrust on cam does not interfere with oversized tappet, if it does you will need to modify thrust surface on cam for proper fit. Check ALL clearances! Price Per Set (2).

Buckets, Shim Under Intake Oversized WPC Coated

CF-H02

$165.00

Recommend to use for extreme racing conditions. WPC Coated Oversized to 28 mm shim under intake tappets. Machining required. Check to make sure thrust on cam does not interfere with oversized tappet, if it does you will need to modify thrust surface on cam for proper fit. Fits all models TRX / CRF 450 engines. Check ALL clearances! Price Per Set (2).

Chain Tensioner, Manual

CT-H04

$58.00

CNC machined from billet alloy to exact tolerances for perfect fit.

Valve Spring Kit With Titanium Retainers

VC-H34

$195.00

Kit includes performance dual springs Titanium retainers and lower collars. OK to .440" valve lift. Price Per Set (4).

Valve Spring Kit With Titanium Retainers

VC-H69

$385.00

Kit includes performance dual PSI springs, Titanium retainers, and bottom cups. OK to .450 valve lift. Price Per Set (4).

Valves, Stainless Intake Standard Size

IV-H22

$36.00

Standard size 36 mm. Price (Each).

Valves, Stainless Intake Oversized +1 mm

IV-H23

$36.00

Oversized to 37 mm. Price (Each).

Valves, Stainless Intake Oversized +2 mm

IV-H24

$36.00

Oversized to 38 mm. Price (Each).

Valves, Stainless Exhaust Standard Size

EV-H22

$36.00

Standard size 30 mm. Price (Each).

Valves, Stainless Exhaust Oversized +1 mm

EV-H23

$36.00

Oversized to 31 mm. Price (Each).

Valves, Stainless Exhaust Oversized +2 mm

EV-H32

$36.00

Oversized to 32 mm. Price (Each).

Valve Guide, Shortened .070" Intake Standard Size

VG-H15

$30.00

Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).

Valve Guide, Shortened .100" Exhaust Standard Size

VG-H16

$30.00

Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).

Vehicle Notes:

If you wish to have a flange pressed on instead of a stock gear, please advise at the time of ordering.
The new flange will allow for you to use an adjustable cam gear see part number CG-H14.

Installation Information:

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Last update: May 19 2012

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Phone: 951.369.5144